--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/htdocs/ajax-update.js	Tue Jan 20 22:08:17 2009 -0500
@@ -0,0 +1,121 @@
+function update_stats()
+{
+  var body = document.getElementsByTagName('body')[0];
+  body.style.cursor = 'wait';
+  ajaxGet('ajax-active.php', function()
+    {
+      if ( window.ajax.readyState == 4 && window.ajax.status == 200 )
+      {
+        document.getElementById('active-members').innerHTML = ajax.responseText;
+      }
+    });
+  var images = document.getElementsByTagName('img');
+  for ( var i = 0; i < images.length; i++ )
+  {
+    var image = images[i];
+    if ( image.className.indexOf('graph') != -1 )
+    {
+      image.src = (String(image.src)).replace(/&seed=[0-9]+$/, '') + '&seed=' + Math.floor(Math.random() * 100000);
+    }
+  }
+  window.setTimeout(function()
+    {
+      body.style.cursor = null;
+    }, 250);
+}
+
+window.onload = function()
+{
+  var ivl = parseFloat(readCookie('interval'));
+  if ( ivl == 0 || isNaN(ivl) )
+    ivl = 30.0;
+  
+  var textbox = document.getElementById('update_ivl');
+  textbox.value = String(ivl);
+  textbox.onkeyup = process_update_ivl;
+  
+  ivl = parseInt(ivl * 1000);
+  
+  window.ajax_update_ivl = window.setInterval('update_stats();', ivl);
+}
+
+function set_update_ivl(ivl)
+{
+  window.clearInterval(ajax_update_ivl);
+  createCookie('interval', ivl, 3650);
+  ivl = parseInt(ivl * 1000);
+  
+  window.ajax_update_ivl = window.setInterval('update_stats();', ivl);
+}
+
+function process_update_ivl()
+{
+  var val = parseFloat(this.value);
+  
+  if ( isNaN(val) || val < 5 )
+    val = 10;
+  
+  set_update_ivl(val);
+}
+
+/**
+ * Core AJAX library
+ */
+
+function ajaxMakeXHR()
+{
+  var ajax;
+  if (window.XMLHttpRequest)
+  {
+    ajax = new XMLHttpRequest();
+  }
+  else
+  {
+    if (window.ActiveXObject)
+    {           
+      ajax = new ActiveXObject("Microsoft.XMLHTTP");
+    }
+    else
+    {
+      return false;
+    }
+  }
+  return ajax;
+}
+
+function ajaxGet(uri, f, call_editor_safe) {
+  window.ajax = ajaxMakeXHR();
+  if ( !ajax )
+  {
+    return false;
+  }
+  ajax.onreadystatechange = f;
+  ajax.open('GET', uri, true);
+  ajax.setRequestHeader( "If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT" );
+  ajax.send(null);
+}
+
+function ajaxPost(uri, parms, f, call_editor_safe) {
+  // Is the editor open?
+  window.ajax = ajaxMakeXHR();
+  if ( !ajax )
+  {
+    return false;
+  }
+  ajax.onreadystatechange = f;
+  ajax.open('POST', uri, true);
+  ajax.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
+  // Setting Content-length in Safari triggers a warning
+  if ( !is_Safari )
+  {
+    ajax.setRequestHeader("Content-length", parms.length);
+  }
+  ajax.setRequestHeader("Connection", "close");
+  ajax.send(parms);
+}
+
+// Cookie manipulation
+function readCookie(name) {var nameEQ = name + "=";var ca = document.cookie.split(';');for(var i=0;i < ca.length;i++){var c = ca[i];while (c.charAt(0)==' ') c = c.substring(1,c.length);if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);}return null;}
+function createCookie(name,value,days){if (days){var date = new Date();date.setTime(date.getTime()+(days*24*60*60*1000));var expires = "; expires="+date.toGMTString();}else var expires = "";document.cookie = name+"="+value+expires+"; path=/";}
+function eraseCookie(name) {createCookie(name,"",-1);}
+